Minimal Match — 53.4% match
based on chemical composition and mechanical property overlap.
IS 1570 C45 (IS 1570:1961) and BS 970 (Part 1) 055M15 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Carbon Steel category.
IS 1570 C45 is typically used for shafts, gears, studs, bolts, axles, rollers, machinery parts, while BS 970 (Part 1) 055M15 is commonly used for as-rolled, or as-rolled and softened, steel (section two).
IS 1570 C45 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 055M15 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, IS 1570 C45 vs BS 970 (Part 1) 055M15 is a 80.1% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 53.4%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 C45
BS 970 (Part 1) 055M15
Tensile Strength
630-710 MPa
310 MPa min
Yield Strength
>=347 MPa
Not specified
Elongation
>=15%
25 % min
Hardness
170-229 HB
121 HB min
Condition
Not specified
As-rolled
Typical Applications
IS 1570 C45
shafts, gears, studs, bolts, axles, rollers, machinery parts
BS 970 (Part 1) 055M15
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
IS 1570 C45 specifies Si, S, P which are not specified for BS 970 (Part 1) 055M15.
Can IS 1570 C45 Be Substituted With BS 970 (Part 1) 055M15?
IS 1570 C45 and BS 970 (Part 1) 055M15 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between IS 1570 C45 and BS 970 (Part 1) 055M15?
IS 1570 C45 specifies Si, S, P which are not specified for BS 970 (Part 1) 055M15.
Can IS 1570 C45 be substituted with BS 970 (Part 1) 055M15?
IS 1570 C45 and BS 970 (Part 1) 055M15 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.